Home / 61,871.21-92,816.85-19,166.66

Finding the Fourth Proportional to 61,871.21, 92,816.85 and 19,166.66

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Solution

The fourth proportional to 61,871.21, 92,816.85 and 19,166.66 is: 28,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,871.21 : 92,816.85 = 19,166.66 : x
  2. Step 2: Convert to fraction form
    61,871.21/92,816.85 = 19,166.66/x
  3. Step 3: Cross multiply
    61,871.21x = 92,816.85 × 19,166.66
  4. Step 4: Simplify right side
    61,871.21x = 1,778,988,542.14
  5. Step 5: Solve for x
    x = 1,778,988,542.14/61,871.21
  6. Step 6: Final answer
    x = 28,753.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.